using System;

public class Program

{

    public static void Main()

    {

        Train tr1 = new Train(1);

        Carriage c2 = new Carriage(2,50);

        Carriage c1 = new Carriage(1,50);

        tr1.AddCarriage(c1);

        c1.SetPassengers(39);

        tr1.AddCarriage(c2);

        c2.SetPassengers(3);

        Console.WriteLine(c1.IsFull());

        Console.WriteLine(c2.IsFull());

        Console.WriteLine(tr1.CountEmpty());

    }

    public static int Countempty(Train tr)

    {

        return tr.CountEmpty();

    }

}

public class Carriage 

{

    private int Number;

    private int Capacity;

    private int Passengers;

    public Carriage(int Number, int Capacity)

    {

        this.Number = Number;

        this.Capacity = Capacity;

        this.Passengers = 0;

    }

    public bool IsFull()

    {

        if(this.Passengers == this.Capacity)

        {

            return true;

        }

        else 

        {

            return false;

        }

    }

    public void SetNumber(int Number)

    {

        this.Number = Number;

    }

    public void SetCapacity(int Capacity)

    {

        this.Capacity = Capacity;

    }

    public void SetPassengers(int Passengers)

    {

        if (Passengers > this.Capacity)

        {

        }

        else 

        {

            this.Passengers = Passengers;

        }

    }

    public int GetNumber()

    {

        return this.Number;

    }

    public int GetCapacity()

    {

        return this.Capacity;

    }

    public int GetPassengers()

    {

        return this.Passengers;

    }

}

public class Train

{

    private int Number;

    private Carriage[] carriages;

    private int counter;

    public Train(int Number)

    {

        this.Number=Number;

        this.carriages = new Carriage[10];

        this.counter=0;

    }

    public void AddCarriage(Carriage c)

    {

        carriages[counter]=c;

        counter++;

    }

    public int CountEmpty()

    {

        int c=0;

        for (int i=0; i<counter; i++)

        {

            if (carriages[i].GetCapacity() > carriages[i].GetPassengers())

            {

                c++;

            }

        }

        return c;

    }

}